Detect when a webview video becomes fullscreen on ios8

Question

I have an app where users can open videos from UIWebview, including Youtube ones. In iOS7, I was able to get a notification when it started playing, or when it became full s

Answer 1

For swift:

NotificationCenter.default.addObserver(self, selector: #selector(xxx), name: NSNotification.Name.MPMoviePlayerDidExitFullscreen, object: nil)